Digital Transistors

Digital transistors are discrete semiconductors that are used to amplify electronic signals and electrical power. They take in a tiny electric current at one end of your circuit (an input current) and produce a much bigger electric current at the other end (an output current). In other words, they're a kind of current booster.

How do digital transistors work?

Digital transistors are made of a semiconductor material, usually silicon, which conducts the current (or electricity) with little resistance. They also tend to have at least three terminals for easy connection to an external circuit.

They can also work asswitches.A tiny electric current flowing through one part of a transistor can make a much bigger current flow through another part of it. In other words, the small current can switch on the larger one.

The benefits of using a digital transistor include:

  • a reduction in system cost
  • simplifies your circuit design
  • reduces circuit board space
  • reduces component count

Applications for digital transistors

Digital transistors can be used in several applications including:

  • Control of IC inputs
  • Automotive applications
  • Switching loads
  • Inverter circuits
  • Interface circuits
  • Driver circuits

...
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Description Price Transistor Type Number of Elements per Chip Maximum Continuous Collector Current Maximum Collector Emitter Voltage Typical Input Resistor Base-Emitter Resistor Mounting Type Package Type Pin Count Minimum DC Current Gain Maximum Power Dissipation Transistor Configuration Maximum Collector Emitter Saturation Voltage Maximum Emitter Base Voltage
RS Stock No. 177-7995
Mfr. Part No.UMH1NTN
BrandROHM
HK$0.471
Each (On a Reel of 3000)
units
NPN 2 30 mA - 22 kΩ - Surface Mount UMT 6 56 - Isolated - -
RS Stock No. 373-3854
Mfr. Part No.FMG9AT148
BrandROHM
HK$2.244
Each (In a Pack of 10)
units
NPN 2 100 mA - 10 kΩ - Surface Mount SMT 5 30 - Common Emitter - -
RS Stock No. 826-8579
Mfr. Part No.UMA5NTR
BrandROHM
HK$1.543
Each (In a Pack of 75)
units
PNP 2 100 mA 50 V 2.2 kΩ 47kΩ Surface Mount SOT-353 (SC-88A) 5 80 300 mW Common Emitter - 5 V
RS Stock No. 145-3438
Mfr. Part No.SMUN2216T1G
HK$0.398
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-346 (SC-59) 3 160 338 mW Single 0.25 V -
RS Stock No. 178-6012
Mfr. Part No.DTA113ZCAT116
BrandROHM
HK$0.342
Each (In a Pack of 200)
units
PNP 1 -100 mA -50 V 1 kΩ 10kΩ Surface Mount SOT-23 3 33 350 mW Single - -
RS Stock No. 186-8429
Mfr. Part No.BC847BPDXV6T1G
HK$2.28
Each (In a Pack of 25)
units
NPN 2 100 mA 45 V - - Surface Mount SOT-563 6 200 500 mW - 0.6 V 6 V
RS Stock No. 186-8085
Mfr. Part No.MJW3281AG
HK$28.026
Each (In a Pack of 5)
units
NPN 1 15 A 230 V dc - - Through Hole TO-247 3 12 200 W Single 2 V dc 5 V dc
RS Stock No. 183-4932
Mfr. Part No.EMB11T2R
BrandROHM
HK$0.699
Each (In a Pack of 80)
units
PNP 2 -100 mA - 10 kΩ 10kΩ Surface Mount SOT-563 5 30 150 mW - - -
RS Stock No. 186-7363
Mfr. Part No.BD788G
HK$2.02
Each (In a Box of 500)
units
PNP 1 4 A 60 V dc - - Through Hole TO-225 3 5 15 W Single 2.5 V dc 6 V dc
RS Stock No. 756-0681
Mfr. Part No.RN2902FE(TE85L,F)
BrandToshiba
HK$1.75
Each (In a Pack of 10)
units
PNP 2 -100 mA -50 V 10 kΩ - Surface Mount ES 6 50 100 mW Isolated -0.3 V -10 V
RS Stock No. 183-5089
Mfr. Part No.UMG8NTR
BrandROHM
HK$0.55
Each (On a Reel of 3000)
units
NPN 2 100 mA - 4.7 kΩ 47kΩ Surface Mount SOT-353 5 80 150 mW Common Emitter - -
RS Stock No. 166-0025
Mfr. Part No.PIMC31,115
BrandNexperia
HK$0.797
Each (On a Reel of 3000)
units
NPN + PNP 2 500 mA 50 V 1 kΩ - Surface Mount SOT-457 (SC-74) 6 70 420 mW Isolated 0.3 V 5 V
RS Stock No. 664-1288
Mfr. Part No.2SC3920-AA
BrandSanyo
HK$2.32
Each (In a Pack of 5)
units
NPN 1 500 mA 50 V 10 kΩ - Through Hole NP 3 50 600 mW - 0.3 V 10 V
RS Stock No. 179-1029
Mfr. Part No.PDTC143EU,115
BrandNexperia
HK$0.17
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount UMT 3 30 - Single 0.15 V 10 V
RS Stock No. 168-3696
Mfr. Part No.DMA5610H0R
BrandPanasonic
HK$1.037
Each (On a Reel of 3000)
units
PNP 2 100 mA 50 V 2.2 kΩ - Surface Mount SMini5 F3 B 5 30 150 mW Common Emitter 0.25 V -
RS Stock No. 110-7748
Mfr. Part No.BCR116E6327HTSA1
BrandInfineon
HK$0.374
Each (In a Pack of 500)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 70 200 mW Single 0.3 V 5 V
RS Stock No. 183-5019
Mfr. Part No.DTA114TU3T106
BrandROHM
HK$0.381
Each (In a Pack of 200)
units
PNP 1 -100 mA -50 V 10 kΩ - Surface Mount SOT-323 3 100 200 mW Single -300 mV -5 V
RS Stock No. 168-9635
Mfr. Part No.PDTA114TU,115
BrandNexperia
HK$0.11
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount UMT 3 200 - Single 0.15 V 5 V
RS Stock No. 186-7394
Mfr. Part No.FGD3245G2-F085
HK$7.467
Each (On a Reel of 2500)
units
- 1 23 A 450 (Breakdown) V 120 Ω 30kΩ Surface Mount DPAK 2 + Tab - 150 W Single 1.85 V -
RS Stock No. 183-4959
Mfr. Part No.EMB75T2R
BrandROHM
HK$0.572
Each (In a Pack of 160)
units
PNP 2 -100 mA - 4.7 kΩ 47kΩ Surface Mount SOT-563 5 80 150 mW Complex - -
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